100020101111 has 16 divisors (see below), whose sum is σ = 115692697344. Its totient is φ = 84696655104.

The previous prime is 100020101089. The next prime is 100020101179. The reversal of 100020101111 is 111101020001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100020101111 - 2⁶ = 100020101047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020101191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251456 + ... + 513098.

It is an arithmetic number, because the mean of its divisors is an integer number (7230793584).

Almost surely, 2^100020101111 is an apocalyptic number.

100020101111 is a deficient number, since it is larger than the sum of its proper divisors (15672596233).

100020101111 is an equidigital number, since it uses as much as digits as its factorization.

100020101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262310.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100020101111 its reverse (111101020001), we get a palindrome (211121121112).

The spelling of 100020101111 in words is "one hundred billion, twenty million, one hundred one thousand, one hundred eleven".